<!DOCTYPE html>
<html lang="en">
<head>
    <title>Ch03-05 Font Sizes</title>
</head>
<body>  
<p>This is normal text.</p>
<p style="font-size:1em">This is 1 em.</p>
<p style="font-size:2em">This is 2 em.</p>
<p style="font-size:0.5em">This is 0.5 em.</p>
</body>
</html>